body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 20px auto;
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  color: #333;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 10px;
  text-align: left;
}

th {
  background-color: #f2f2f2;
  border-bottom: 2px solid #ddd;
}

tr:nth-child(even) {
  background-color: #f9f9f9;
}

.delete-btn, .send-message-btn {
  padding: 8px 12px;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.delete-btn {
  background-color: #dc3545;
  color: #fff;
}

.send-message-btn {
  background-color: #007bff;
  color: #fff;
  margin-left: 5px;
}

.delete-btn:hover, .send-message-btn:hover {
  background-color: #c82333;
}

.send-message-btn:hover {
  background-color: #0056b3;
}
